partial-jslint.js

    function cssColor() {
        var i, limit, number;
        if (nexttoken.identifier) {
            switch (nexttoken.value) {
            case 'rgb':
                limit = 3;
                break;
            case 'rgba':
                limit = 4;
                break;
            }
            if (limit) {
                advance();
                advance('(');
                for (i = 0; i < limit; i += 1) {
                    if (i) {
                        advance(',');
                    }
                    number = nexttoken.value;
                    if (nexttoken.type !== '(number)' || number < 0) {
                        warning("Expected a positive number and instead saw '{a}'",
                            nexttoken, number);
                        advance();
                    } else {
                        advance();
                        if ( i === 3 ) {
                            // The last parameter of an RGBA value must be an
                            // "alphavalue" ( http://www.w3.org/TR/css3-color/#alphavaluedt )
                            // It boils down to a decimal between 0 and 1.
                            if ( nexttoken.id === '%' ) {
                                warning( "The last parameter of an RGBA value must be a decimal between 0 and 1, not a percentage.",
                                        token, number );
                                advance( '%' );
                            }
                            if ( number > 1 ) {
                                warning( "The last parameter of an RGBA value must be a decimal between 0 and 1",
                                        token, number );
                            }
                            console.log( nexttoken, number );
                        } else {
                            if (nexttoken.id === '%') {
                                advance('%');
                                if (number > 100) {
                                    warning("Expected a percentage and instead saw '{a}'",
                                        token, number);
                                }
                            } else {
                                if (number > 255) {
                                    warning("Expected a small number and instead saw '{a}'",
                                        token, number);
                                }
                            }
                        }
                    }
                }
                advance(')');
                return true;
            } else if (cssColorData[nexttoken.value] === true) {
                advance();
                return true;
            }
        } else if (nexttoken.type === '(color)') {
            advance();
            return true;
        }
        return false;
    }